www.fermo.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:83:c8:41:58:30:a9:61:25:32:98:da:e4:76:55:2f:cd:05 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.fermo.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:83:c8:41:58:30:a9:61:25:32:98:da:e4:76:55:2f:cd:05
Serial Number (int): 306180032749083883922107294859867672530181
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dd:86:d2:7b:26:7d:ac:74:0b:42:00:58:05:b0:0a:6c:bb:49:55:ea
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9e:ad:2f:e9:81:ac:c3:51:eb:93:47:e5:5e:f7:ce:08:59:1d:df:57
Fingerprint (sha256): 39:09:ec:31:00:4c:ff:de:5f:2b:27:a3:7b:47:c5:eb:82:d4:51:7e:a0:2a:0d:6d:2e:f1:24:b3:36:32:c0:9e

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.fermo.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.fermo.co

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.fermo.co

Other certificates including the domain name fermo.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.fermo.co in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 306180032749083883922107294859867672530181
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-25 02:34:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-23 02:34:12 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.fermo.co'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 681803939777236688843645280090429412637006326576958390821812768355135905437136946952141178756072957792869538629663101805511039334690341928336191939158271151376111127229773966794627623216608624583160055369510581009682650436565719552716704442671947739739555383881430580806365482955653514270860634744087396889997923739195152323173607313360113043049495101878074729271834799168911148420708526015392135923193404669387417948457397434160817621510366980371420056252926905368859104293786584954137859910046786515679391418052983782659195015563397573831769388991502357931925424165576631892340673670553216755349163817422043152897071258746964747223585057101476749166344535197639657004827705797481330475723396057032167254368669714534119190728147853835467126060264617864347769533222907048727542366338564860914391708653685564957868250824149342633669136018930360905971742223302226837379279422893327420449574086144314985837502819960932493920309182849868407551567716376135377891543330088045754628764906201725377168866756089951673054639244276508733133024734212459392621402521329771239463581447957180309470070862118058496363469396695328567674831732956814242991631183441312441659432955642146534050551025686109770397797143567985097703638959108273760895892163
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							dd86d27b267dac740b42005805b00a6cbb4955ea
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fermo.co'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016aed0d9a1a00000403004830460221008445a367c1c91237e2724eb8a6de029c301177e03018716de1d11dc0a77145c8022100d42b6e73a414e99cbbaa3205b615b3586b3996ca26186d8ed5368fb4c66bc60e00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aed0d9a37000004030046304402204da889cc883f1c77d3a44bff243c7147ccbdb86ab4cebef9b9c007fa39b0e0450220102676369fe55139bd52498170740f78928c7bd84131a60334ff155157ba5f72
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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